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LanguageManual UDF - Apache Hive - Apache Software Foundation - Hive - [wiki]
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... show comment hide comment &nb...
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https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF
Author: Matt Tucker,
2013-04-30, 00:00
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Re: Variable Substitution - Hive - [mail # user]
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...I'm fine with the variable placeholder not being removed in cases where the variable is not defined (until I change my mind). When I define var2 and var3, though, their placeholders aren't s...
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Author: Matt Tucker,
2013-03-06, 21:50
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Variable Substitution - Hive - [mail # user]
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...Using CDH3u3 (Hive 0.7.1), it appears that variable substitution becomes disabled when I use a variable in a query that hasn't been defined. For instance, using the following script: &...
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Author: Matt Tucker,
2013-03-06, 21:13
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HIVE-2915: Partitioned Tables in Hive Metastore - Hive - [mail # user]
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...Hi, I'm currently using CDH3u3 and Hive 0.7.1, and I'm looking into how the metadata is stored for partitioned tables within the RDBMS. The issue that I see is that for tables wi...
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Author: Matt Tucker,
2013-01-17, 16:03
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Re: hive regular expression - Hive - [mail # user]
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...Parse_url and str_to_map may offer an alternative worth looking into. On Dec 26, 2012, at 1:50 PM, Dean Wampler wrote: ...
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Author: Matt Tucker,
2012-12-26, 21:00
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Re: Any existing UDTF to flatten map - Hive - [mail # user]
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...I ended up getting an error (Hive 0.7.1), but I would have thought something like the following would work: SELECT user_id, obj_key, obj[obj_k...
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Author: Matt Tucker,
2012-11-30, 19:39
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Re: need help on writing hive query - Hive - [mail # user]
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...I did a similar query a few months ago. In short, I left-padded the page na me with the time stamp, grouped with collect_set, and then used sort_array() . There was some other cl...
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Author: Matt Tucker,
2012-10-31, 21:53
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Re: HIVE NOT EXISTS - Hive - [mail # user]
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...Hi Mohit, Hive doesn’t support correlated subqueries. In this instance, you can do a left outer join to find values that are not in a table. SELECT &nbs...
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Author: Matt Tucker,
2012-10-01, 22:43
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Re: Load XML file into HIVE - Hive - [mail # user]
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...Hi, I was working on this several months ago, and ended up having to flatten eac h XML document to one root node per line. I believe that the other option wo uld be to write a custom I...
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Author: Matt Tucker,
2012-08-30, 23:25
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Re: Passing date as command line arguments - Hive - [mail # user]
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...Hi, In the command line, you want to wrap 20120709 in double-quotes, as they get stripped when being passed into the hiveconf variable. Matt On Aug 3, 2012, at...
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Author: Matt Tucker,
2012-08-04, 02:15
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